Make `LR scheduler` stub complete, including `OneCycleLR` and class attributes. (#59476)
This PR completes the stub file for lr scheduler and includes a previously missing scheduler, namely `OneCycleLR, and adds additional class attributes and methods for all lr scheduler.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/59476
Approved by: https://github.com/jbschlosser
